I had one years ago
I bought mine in the late '60's or early '70's used it for 15 years, reduced the speed 10 to 1 and could even cut steel with it. The aluminum cover is structural and must be tight in place when operating. It's definitely a light duty saw, mine had a 1/2 Hp motor. It would make a nice "art deco" restoration project, but there are more substantial saws to use for serious woodworking. JMO.
Sold it to a guy at work...he liked it.
The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)